Siemens CPU 312C Hardware And Installation Guide

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S7-300 Automation System, Hardware and Installation: CPU 31xC and CPU 31x
A5E00105492-03
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Information on how to wire the bus connector can be found in the article below.
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1. Strip the bus cable.
Details on stripped lengths are found in the product information included with
the bus connector.
2. Open the bus connector housing.
3. Insert the green and the red wire into the screw-terminal block.
Note that you always have to connect the same wires to the same terminal (e.g.
always wire green to terminal A and red to terminal B).
4. Press the cable sheath into the clamp. Take care that the bare shielding
contacts the shielding contact surface.
5. Screw-tighten the wire terminals.
6. Close the bus connector housing.
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1. Strip the bus cable.
Details on stripped lengths are found in the product information included with
the bus connector.
2. Open the strain relief of the bus connector.
3. Insert the green and red wire into the open contacting covers.
Note that you always have to connect the same wires to the same terminal (e.g.
always wire green to terminal A and red to terminal B).
4. Close the contacting cover.
This presses the wires down into the insulation displacement terminals .
5. Screw-tighten the strain relief. Take care that the bare shielding contacts the
shielding contact surface.
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Use a bus connector with a 90° cable exit.

Siemens CPU 312C Specifications

General

Brand	Siemens
Model	CPU 312C
Category	Processor
Language	English